Signify
Definition 1 of 3
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Non-verbal Cues
Signify can refer to non-verbal communication that conveys a message without words. His thumbs-up signified his satisfaction with the project.
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Subtle Signals
Sometimes, 'signify' is used for slight actions that have a specific meaning among a certain group. A subtle nod may signify agreement among members of the committee.
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Emotional Indicators
'Signify' can describe actions that show emotional responses like approval or disapproval. Folding her arms could signify her reluctance to participate.